Communication Modules
Wi-SUN Local Communication Module for Single-phase Smart Meters
This Wi-SUN local communication module meets the Wi-SUN FAN standard maintained by the Wi-SUN Alliance and the State Grid single-phase smart electricity meter type specification. Its dimensions follow Q/GDW 1355-2013, Appendix E: Communication Module Dimensions for Single-phase Local Tariff-control Smart Electricity Meters, and its interface protocol is compatible with DL/T 645-2007.
Enquire About This Product01 / PRODUCT FEATURES
Product at a glance
Wi-SUN FAN
- Meets the Wi-SUN FAN standard maintained by the Wi-SUN Alliance.
Single-phase Smart Meter Structural Compatibility
- Meets the structural definition in Q/GDW 1355-2013, Appendix E, for single-phase local tariff-control smart electricity meter communication modules.
Meter Interface Compatibility
- Compatible with the interface protocol in DL/T 645-2007.
02 / SPECIFICATIONS
Technical specifications
| Description | Value |
|---|---|
| Operating Voltage | Minimum: 11V; typical: 12V; maximum: 13V Recommended supply: 12V. |
| Operating Frequency Band | Minimum: 470MHz; typical: 470MHz; maximum: 510MHz Operating frequency can be customized. |
| Transmit Current Consumption | Minimum: -; typical: 65mA; maximum: - DC12V, conducted test using a spectrum analyzer. |
| Receive Current Consumption | Minimum: -; typical: 20mA; maximum: - DC12V, continuous receive mode. |
| Transmit Power | Minimum: 18.5dBm; typical: 19.5dBm; maximum: 20.5dBm Conducted test using a spectrum analyzer. |
| Receive Sensitivity | Minimum: -; typical: -; maximum: -108dBm Conducted test: PER10%/50kbps/h=1/GFSK |
| Data Rate | Minimum: -; typical: -; maximum: 300kbps Transmit power can be customized. |
| TTL Output High Level | Minimum: 2.0V; typical: 3.3V; maximum: - |
| TTL Output Low Level | Minimum: -; typical: -; maximum: 0.8V |
| Modulation Method | GFSK |
| Interface Type | 2×6 pin header, 2.54mm pitch 12PIN |
| Communication Protocol | UART |
| Antenna Type | Built-in spring antenna |
| Dimensions | 70×50×22.7mm |
| Wireless Standard | Wi-SUN FAN |
| Structural Standard | Q/GDW 1355-2013, Appendix E: Communication Module Dimensions for Single-phase Local Tariff-control Smart Electricity Meters |
| Interface Standard | DL/T 645-2007 |
Meter Module Pin Definitions
| Pin No. | Signal | Interface Type | Signal Direction | Description |
|---|---|---|---|---|
| 1, 2 | VCC | Power | O | System operating power supply, voltage range +12V±1V |
| 3, 4 | GND | Power ground | - | Power ground |
| 5 | METER_RX | Meter RX | I | Connected to Wi-SUN module UART TXD; 3.3V TTL level; communication module open-drain output, normally high impedance. |
| 7 | METER_SET | Meter setting signal | O | Enables the communication module, active low; the meter must use an open-drain output, normally high impedance. |
| 8 | METER_TX | Meter TX | O | Connected to Wi-SUN module UART RXD; 3.3V TTL level; the meter must use an open-drain output, normally high impedance. |
| 9 | METER_RST | Meter reset signal | O | Connected to the Wi-SUN module reset pin, active low; the meter must use an open-drain output, normally high impedance. |
| 10 | METER_STA | Meter status pin | I | Reads Wi-SUN module status as defined by the protocol; communication module open-drain output, normally low. |
| 11 | METER_EVENT | Meter event signal | O | Sends active reporting commands; the meter must use an open-drain output, normally low. |
| 6, 12 | NC | NC | NC | NC |
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